8 questions Basic

ECADEMY test

Basic hydraulics and pump performance

This course test contains 8 questions and can be retaken at any time.

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Question 3 of 8 Basic

3 Which of the following items are built-in in some motors and can stop the motor if it exceeds a preset temperature:

Question 4 of 8 Basic

4 Friction loss is dependent on the [xxxxxxxx] of the fluid.

Question 6 of 8 Basic

6 Select the three parameters of most interest in water pumping systems:

Question 7 of 8 Basic

7 How is the relationship between these three factors described in an equation?

Question 8 of 8 Basic

8 What are the effects of cavitation on pumps?

Question 8 of 8 Basic

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Correct
01.
Q: How can friction loss in a system be minimised?
A: By increasing the pipe diameter
Correct
02.
Q: Identify the true statement.
A: If all the parameters are recorded immediately after the pump has been installed, you can use them as benchmark against future data.
Correct
03.
Q: Which of the following items are built-in in some motors and can stop the motor if it exceeds a preset temperature:
A: Temperature sensors
Correct
04.
Q: Friction loss is dependent on the [xxxxxxxx] of the fluid.
A: Velocity
Correct
05.
Q: Which of the following is one correct method to avoid cavitation?
A: Reduce the friction loss in the suction pipe.
Correct
06.
Q: Select the three parameters of most interest in water pumping systems:
A: Flow, head and energy
Correct
07.
Q: How is the relationship between these three factors described in an equation?
A: P = Q x H x c
Correct
08.
Q: What are the effects of cavitation on pumps?
A: Pitting of impeller and pump housing